85024367434 has 4 divisors (see below), whose sum is σ = 127536551154. Its totient is φ = 42512183716.

The previous prime is 85024367413. The next prime is 85024367563. The reversal of 85024367434 is 43476342058.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 56360184409 + 28664183025 = 237403^2 + 169305^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21256091857 + ... + 21256091860.

Almost surely, 2^85024367434 is an apocalyptic number.

85024367434 is a deficient number, since it is larger than the sum of its proper divisors (42512183720).

85024367434 is a wasteful number, since it uses less digits than its factorization.

85024367434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42512183719.

The product of its (nonzero) digits is 1935360, while the sum is 46.

The spelling of 85024367434 in words is "eighty-five billion, twenty-four million, three hundred sixty-seven thousand, four hundred thirty-four".